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recastnavigation_v1.6.0/RecastDemo/Source/Sample_StatMeshTiled.cpp
Mikko Mononen cc0f1431cd Detour: Optimized new cost code to removed redundant edge midpoint calculations. 
Detour: FIxed broken raycast code on TileNavmesh.
Detour: Added more comments to public API.
2009-07-20 08:05:18 +00:00

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#define _USE_MATH_DEFINES
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "SDL.h"
#include "SDL_Opengl.h"
#include "imgui.h"
#include "Sample.h"
#include "Sample_StatMeshTiled.h"
#include "Recast.h"
#include "RecastTimer.h"
#include "RecastDebugDraw.h"
#include "DetourStatNavMesh.h"
#include "DetourStatNavMeshBuilder.h"
#include "DetourDebugDraw.h"
#ifdef WIN32
# define snprintf _snprintf
#endif
Sample_StatMeshTiled::Sample_StatMeshTiled() :
m_measurePerTileTimings(false),
m_keepInterResults(false),
m_tileSize(64),
m_chunkyMesh(0),
m_polyMesh(0),
m_tileSet(0),
m_statPolysPerTileSamples(0),
m_statTimePerTileSamples(0),
m_drawMode(DRAWMODE_NAVMESH)
{
}
Sample_StatMeshTiled::~Sample_StatMeshTiled()
{
cleanup();
}
void Sample_StatMeshTiled::cleanup()
{
delete m_chunkyMesh;
m_chunkyMesh = 0;
delete m_tileSet;
m_tileSet = 0;
delete m_polyMesh;
m_polyMesh = 0;
toolCleanup();
m_statTimePerTileSamples = 0;
m_statPolysPerTileSamples = 0;
}
void Sample_StatMeshTiled::handleSettings()
{
Sample::handleCommonSettings();
imguiLabel("Tiling");
imguiSlider("TileSize", &m_tileSize, 16.0f, 1024.0f, 16.0f);
char text[64];
int gw = 0, gh = 0;
rcCalcGridSize(m_bmin, m_bmax, m_cellSize, &gw, &gh);
const int ts = (int)m_tileSize;
const int tw = (gw + ts-1) / ts;
const int th = (gh + ts-1) / ts;
snprintf(text, 64, "Tiles %d x %d", tw, th);
imguiValue(text);
imguiSeparator();
if (imguiCheck("Keep Itermediate Results", m_keepInterResults))
m_keepInterResults = !m_keepInterResults;
if (imguiCheck("Measure Per Tile Timings", m_measurePerTileTimings))
m_measurePerTileTimings = !m_measurePerTileTimings;
imguiSeparator();
}
void Sample_StatMeshTiled::handleDebugMode()
{
// Check which modes are valid.
bool valid[MAX_DRAWMODE];
for (int i = 0; i < MAX_DRAWMODE; ++i)
valid[i] = false;
bool hasChf = false;
bool hasSolid = false;
bool hasCset = false;
if (m_tileSet)
{
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].solid) hasSolid = true;
if (m_tileSet->tiles[i].chf) hasChf = true;
if (m_tileSet->tiles[i].cset) hasCset = true;
}
}
if (m_verts && m_tris)
{
valid[DRAWMODE_NAVMESH] = m_navMesh != 0;
valid[DRAWMODE_NAVMESH_TRANS] = m_navMesh != 0;
valid[DRAWMODE_NAVMESH_BVTREE] = m_navMesh != 0;
valid[DRAWMODE_NAVMESH_INVIS] = m_navMesh != 0;
valid[DRAWMODE_MESH] = true;
valid[DRAWMODE_VOXELS] = hasSolid;
valid[DRAWMODE_VOXELS_WALKABLE] = hasSolid;
valid[DRAWMODE_COMPACT] = hasChf;
valid[DRAWMODE_COMPACT_DISTANCE] = hasChf;
valid[DRAWMODE_COMPACT_REGIONS] = hasChf;
valid[DRAWMODE_REGION_CONNECTIONS] = hasCset;
valid[DRAWMODE_RAW_CONTOURS] = hasCset;
valid[DRAWMODE_BOTH_CONTOURS] = hasCset;
valid[DRAWMODE_CONTOURS] = hasCset;
valid[DRAWMODE_POLYMESH] = m_polyMesh != 0;
}
int unavail = 0;
for (int i = 0; i < MAX_DRAWMODE; ++i)
if (!valid[i]) unavail++;
if (unavail == MAX_DRAWMODE)
return;
imguiLabel("Draw");
if (imguiCheck("Input Mesh", m_drawMode == DRAWMODE_MESH, valid[DRAWMODE_MESH]))
m_drawMode = DRAWMODE_MESH;
if (imguiCheck("Navmesh", m_drawMode == DRAWMODE_NAVMESH, valid[DRAWMODE_NAVMESH]))
m_drawMode = DRAWMODE_NAVMESH;
if (imguiCheck("Navmesh Invis", m_drawMode == DRAWMODE_NAVMESH_INVIS, valid[DRAWMODE_NAVMESH_INVIS]))
m_drawMode = DRAWMODE_NAVMESH_INVIS;
if (imguiCheck("Navmesh Trans", m_drawMode == DRAWMODE_NAVMESH_TRANS, valid[DRAWMODE_NAVMESH_TRANS]))
m_drawMode = DRAWMODE_NAVMESH_TRANS;
if (imguiCheck("Navmesh BVTree", m_drawMode == DRAWMODE_NAVMESH_BVTREE, valid[DRAWMODE_NAVMESH_BVTREE]))
m_drawMode = DRAWMODE_NAVMESH_BVTREE;
if (imguiCheck("Voxels", m_drawMode == DRAWMODE_VOXELS, valid[DRAWMODE_VOXELS]))
m_drawMode = DRAWMODE_VOXELS;
if (imguiCheck("Walkable Voxels", m_drawMode == DRAWMODE_VOXELS_WALKABLE, valid[DRAWMODE_VOXELS_WALKABLE]))
m_drawMode = DRAWMODE_VOXELS_WALKABLE;
if (imguiCheck("Compact", m_drawMode == DRAWMODE_COMPACT, valid[DRAWMODE_COMPACT]))
m_drawMode = DRAWMODE_COMPACT;
if (imguiCheck("Compact Distance", m_drawMode == DRAWMODE_COMPACT_DISTANCE, valid[DRAWMODE_COMPACT_DISTANCE]))
m_drawMode = DRAWMODE_COMPACT_DISTANCE;
if (imguiCheck("Compact Regions", m_drawMode == DRAWMODE_COMPACT_REGIONS, valid[DRAWMODE_COMPACT_REGIONS]))
m_drawMode = DRAWMODE_COMPACT_REGIONS;
if (imguiCheck("Region Connections", m_drawMode == DRAWMODE_REGION_CONNECTIONS, valid[DRAWMODE_REGION_CONNECTIONS]))
m_drawMode = DRAWMODE_REGION_CONNECTIONS;
if (imguiCheck("Raw Contours", m_drawMode == DRAWMODE_RAW_CONTOURS, valid[DRAWMODE_RAW_CONTOURS]))
m_drawMode = DRAWMODE_RAW_CONTOURS;
if (imguiCheck("Both Contours", m_drawMode == DRAWMODE_BOTH_CONTOURS, valid[DRAWMODE_BOTH_CONTOURS]))
m_drawMode = DRAWMODE_BOTH_CONTOURS;
if (imguiCheck("Contours", m_drawMode == DRAWMODE_CONTOURS, valid[DRAWMODE_CONTOURS]))
m_drawMode = DRAWMODE_CONTOURS;
if (imguiCheck("Poly Mesh", m_drawMode == DRAWMODE_POLYMESH, valid[DRAWMODE_POLYMESH]))
m_drawMode = DRAWMODE_POLYMESH;
if (unavail)
{
imguiValue("Tick 'Keep Itermediate Results'");
imguiValue("to see more debug mode options.");
}
}
void Sample_StatMeshTiled::handleRender()
{
if (!m_verts || !m_tris || !m_trinorms)
return;
float col[4];
glEnable(GL_FOG);
glDepthMask(GL_TRUE);
if (m_drawMode == DRAWMODE_MESH)
{
// Draw mesh
rcDebugDrawMeshSlope(m_verts, m_nverts, m_tris, m_trinorms, m_ntris, m_agentMaxSlope);
}
else if (m_drawMode != DRAWMODE_NAVMESH_TRANS)
{
// Draw mesh
rcDebugDrawMesh(m_verts, m_nverts, m_tris, m_trinorms, m_ntris, 0);
}
glDisable(GL_FOG);
glDepthMask(GL_FALSE);
// Draw bounds
col[0] = 1; col[1] = 1; col[2] = 1; col[3] = 0.5f;
rcDebugDrawBoxWire(m_bmin[0],m_bmin[1],m_bmin[2], m_bmax[0],m_bmax[1],m_bmax[2], col);
// Tiling grid.
const int ts = (int)m_tileSize;
int gw = 0, gh = 0;
rcCalcGridSize(m_bmin, m_bmax, m_cellSize, &gw, &gh);
int tw = (gw + ts-1) / ts;
int th = (gh + ts-1) / ts;
const float s = ts*m_cellSize;
glBegin(GL_LINES);
glColor4ub(0,0,0,64);
for (int y = 0; y < th; ++y)
{
for (int x = 0; x < tw; ++x)
{
float fx, fy, fz;
fx = m_bmin[0] + x*s;
fy = m_bmin[1];
fz = m_bmin[2] + y*s;
glVertex3f(fx,fy,fz);
glVertex3f(fx+s,fy,fz);
glVertex3f(fx,fy,fz);
glVertex3f(fx,fy,fz+s);
if (x+1 >= tw)
{
glVertex3f(fx+s,fy,fz);
glVertex3f(fx+s,fy,fz+s);
}
if (y+1 >= th)
{
glVertex3f(fx,fy,fz+s);
glVertex3f(fx+s,fy,fz+s);
}
}
}
glEnd();
if (m_navMesh &&
(m_drawMode == DRAWMODE_NAVMESH ||
m_drawMode == DRAWMODE_NAVMESH_TRANS ||
m_drawMode == DRAWMODE_NAVMESH_BVTREE ||
m_drawMode == DRAWMODE_NAVMESH_INVIS))
{
int flags = NAVMESH_TOOLS;
if (m_drawMode != DRAWMODE_NAVMESH_INVIS)
flags |= NAVMESH_POLYS;
if (m_drawMode == DRAWMODE_NAVMESH_BVTREE)
flags |= NAVMESH_BVTREE;
toolRender(flags);
}
glDepthMask(GL_TRUE);
if (m_tileSet)
{
if (m_drawMode == DRAWMODE_COMPACT)
{
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].chf)
rcDebugDrawCompactHeightfieldSolid(*m_tileSet->tiles[i].chf);
}
}
if (m_drawMode == DRAWMODE_COMPACT_DISTANCE)
{
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].chf)
rcDebugDrawCompactHeightfieldDistance(*m_tileSet->tiles[i].chf);
}
}
if (m_drawMode == DRAWMODE_COMPACT_REGIONS)
{
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].chf)
rcDebugDrawCompactHeightfieldRegions(*m_tileSet->tiles[i].chf);
}
}
if (m_drawMode == DRAWMODE_VOXELS)
{
glEnable(GL_FOG);
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].solid)
rcDebugDrawHeightfieldSolid(*m_tileSet->tiles[i].solid);
}
glDisable(GL_FOG);
}
if (m_drawMode == DRAWMODE_VOXELS_WALKABLE)
{
glEnable(GL_FOG);
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].solid)
rcDebugDrawHeightfieldWalkable(*m_tileSet->tiles[i].solid);
}
glDisable(GL_FOG);
}
if (m_drawMode == DRAWMODE_RAW_CONTOURS)
{
glDepthMask(GL_FALSE);
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].cset)
rcDebugDrawRawContours(*m_tileSet->tiles[i].cset, m_cfg.bmin, m_cfg.cs, m_cfg.ch);
}
glDepthMask(GL_TRUE);
}
if (m_drawMode == DRAWMODE_BOTH_CONTOURS)
{
glDepthMask(GL_FALSE);
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].cset)
{
rcDebugDrawRawContours(*m_tileSet->tiles[i].cset, m_cfg.bmin, m_cfg.cs, m_cfg.ch, 0.5f);
rcDebugDrawContours(*m_tileSet->tiles[i].cset, m_cfg.bmin, m_cfg.cs, m_cfg.ch);
}
}
glDepthMask(GL_TRUE);
}
if (m_drawMode == DRAWMODE_CONTOURS)
{
glDepthMask(GL_FALSE);
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].cset)
rcDebugDrawContours(*m_tileSet->tiles[i].cset, m_cfg.bmin, m_cfg.cs, m_cfg.ch);
}
glDepthMask(GL_TRUE);
}
if (m_drawMode == DRAWMODE_REGION_CONNECTIONS)
{
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].chf)
rcDebugDrawCompactHeightfieldRegions(*m_tileSet->tiles[i].chf);
}
glDepthMask(GL_FALSE);
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].cset)
rcDebugDrawRegionConnections(*m_tileSet->tiles[i].cset, m_cfg.bmin, m_cfg.cs, m_cfg.ch);
}
glDepthMask(GL_TRUE);
}
if (m_polyMesh && m_drawMode == DRAWMODE_POLYMESH)
{
glDepthMask(GL_FALSE);
rcDebugDrawPolyMesh(*m_polyMesh);
glDepthMask(GL_TRUE);
}
}
static const float startCol[4] = { 0.5f, 0.1f, 0.0f, 0.75f };
static const float endCol[4] = { 0.2f, 0.4f, 0.0f, 0.75f };
if (m_sposSet)
drawAgent(m_spos, m_agentRadius, m_agentHeight, m_agentMaxClimb, startCol);
if (m_eposSet)
drawAgent(m_epos, m_agentRadius, m_agentHeight, m_agentMaxClimb, endCol);
}
static float nicenum(float x, int round)
{
float expv = floorf(log10f(x));
float f = x / powf(10.0f, expv);
float nf;
if (round)
{
if (f < 1.5f) nf = 1.0f;
else if (f < 3.0f) nf = 2.0f;
else if (f < 7.0f) nf = 5.0f;
else nf = 10.0f;
}
else
{
if (f <= 1.0f) nf = 1.0f;
else if (f <= 2.0f) nf = 2.0f;
else if (f <= 5.0f) nf = 5.0f;
else nf = 10.0f;
}
return nf*powf(10.0f, expv);
}
static void drawLabels(int x, int y, int w, int h,
int nticks, float vmin, float vmax, const char* unit)
{
char str[8], temp[32];
float range = nicenum(vmax-vmin, 0);
float d = nicenum(range/(float)(nticks-1), 1);
float graphmin = floorf(vmin/d)*d;
float graphmax = ceilf(vmax/d)*d;
int nfrac = (int)-floorf(log10f(d));
if (nfrac < 0) nfrac = 0;
snprintf(str, 6, "%%.%df %%s", nfrac);
for (float v = graphmin; v < graphmax+d/2; v += d)
{
float lx = x + (v-vmin)/(vmax-vmin)*w;
if (lx < 0 || lx > w) continue;
snprintf(temp, 20, str, v, unit);
imguiDrawText((int)lx+2, (int)y+2, IMGUI_ALIGN_LEFT, temp, imguiRGBA(255,255,255));
glColor4ub(0,0,0,64);
glBegin(GL_LINES);
glVertex2f(lx,(float)y);
glVertex2f(lx,(float)(y+h));
glEnd();
}
}
static void drawGraph(const char* name, int x, int y, int w, int h, float sd,
const int* samples, int n, int nsamples, const char* unit)
{
char text[64];
int first, last, maxval;
first = 0;
last = n-1;
while (first < n && samples[first] == 0)
first++;
while (last >= 0 && samples[last] == 0)
last--;
if (first == last)
return;
maxval = 1;
for (int i = first; i <= last; ++i)
{
if (samples[i] > maxval)
maxval = samples[i];
}
const float sx = (float)w / (float)(last-first);
const float sy = (float)h / (float)maxval;
glBegin(GL_QUADS);
glColor4ub(32,32,32,64);
glVertex2i(x,y);
glVertex2i(x+w,y);
glVertex2i(x+w,y+h);
glVertex2i(x,y+h);
glEnd();
glColor4ub(255,255,255,64);
glBegin(GL_LINES);
for (int i = 0; i <= 4; ++i)
{
int yy = y+i*h/4;
glVertex2i(x,yy);
glVertex2i(x+w,yy);
}
glEnd();
glColor4ub(0,196,255,255);
glBegin(GL_LINE_STRIP);
for (int i = first; i <= last; ++i)
{
float fx = x + (i-first)*sx;
float fy = y + samples[i]*sy;
glVertex2f(fx,fy);
}
glEnd();
snprintf(text,64,"%d", maxval);
imguiDrawText((int)x+w-2, (int)y+h-20, IMGUI_ALIGN_RIGHT, text, imguiRGBA(0,0,0));
imguiDrawText((int)x+2, (int)y+h-20, IMGUI_ALIGN_LEFT, name, imguiRGBA(255,255,255));
drawLabels(x, y, w, h, 10, first*sd, last*sd, unit);
}
void Sample_StatMeshTiled::handleRenderOverlay(double* proj, double* model, int* view)
{
toolRenderOverlay(proj, model, view);
if (m_measurePerTileTimings)
{
if (m_statTimePerTileSamples)
drawGraph("Build Time/Tile", 10, 10, 500, 100, 1.0f, m_statTimePerTile, MAX_STAT_BUCKETS, m_statTimePerTileSamples, "ms");
if (m_statPolysPerTileSamples)
drawGraph("Polygons/Tile", 10, 120, 500, 100, 1.0f, m_statPolysPerTile, MAX_STAT_BUCKETS, m_statPolysPerTileSamples, "");
int validTiles = 0;
if (m_tileSet)
{
for (int i = 0; i < m_tileSet->width*m_tileSet->height; ++i)
{
if (m_tileSet->tiles[i].buildTime > 0)
validTiles++;
}
}
char text[64];
snprintf(text,64,"Tiles %d\n", validTiles);
imguiDrawText(10, 240, IMGUI_ALIGN_LEFT, text, imguiRGBA(255,255,255));
}
}
void Sample_StatMeshTiled::handleMeshChanged(const float* verts, int nverts,
const int* tris, const float* trinorms, int ntris,
const float* bmin, const float* bmax)
{
Sample::handleMeshChanged(verts, nverts, tris, trinorms, ntris, bmin, bmax);
toolCleanup();
toolReset();
m_statTimePerTileSamples = 0;
m_statPolysPerTileSamples = 0;
}
bool Sample_StatMeshTiled::handleBuild()
{
if (!m_verts || ! m_tris)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildNavigation: Input mesh is not specified.");
return false;
}
if (m_measurePerTileTimings)
{
memset(m_statPolysPerTile, 0, sizeof(m_statPolysPerTile));
memset(m_statTimePerTile, 0, sizeof(m_statTimePerTile));
m_statPolysPerTileSamples = 0;
m_statTimePerTileSamples = 0;
}
cleanup();
toolCleanup();
toolReset();
// Init build configuration from GUI
memset(&m_cfg, 0, sizeof(m_cfg));
m_cfg.cs = m_cellSize;
m_cfg.ch = m_cellHeight;
m_cfg.walkableSlopeAngle = m_agentMaxSlope;
m_cfg.walkableHeight = (int)ceilf(m_agentHeight / m_cfg.ch);
m_cfg.walkableClimb = (int)ceilf(m_agentMaxClimb / m_cfg.ch);
m_cfg.walkableRadius = (int)ceilf(m_agentRadius / m_cfg.cs);
m_cfg.maxEdgeLen = (int)(m_edgeMaxLen / m_cellSize);
m_cfg.maxSimplificationError = m_edgeMaxError;
m_cfg.minRegionSize = (int)rcSqr(m_regionMinSize);
m_cfg.mergeRegionSize = (int)rcSqr(m_regionMergeSize);
m_cfg.maxVertsPerPoly = (int)m_vertsPerPoly;
m_cfg.tileSize = (int)m_tileSize;
m_cfg.borderSize = m_cfg.walkableRadius*2 + 2; // Reserve enough padding.
// Set the area where the navigation will be build.
// Here the bounds of the input mesh are used, but the
// area could be specified by an user defined box, etc.
vcopy(m_cfg.bmin, m_bmin);
vcopy(m_cfg.bmax, m_bmax);
rcCalcGridSize(m_cfg.bmin, m_cfg.bmax, m_cfg.cs, &m_cfg.width, &m_cfg.height);
// Reset build times gathering.
memset(&m_buildTimes, 0, sizeof(m_buildTimes));
rcSetBuildTimes(&m_buildTimes);
// Start the build process.
rcTimeVal totStartTime = rcGetPerformanceTimer();
// Calculate the number of tiles in the output and initialize tiles.
m_tileSet = new TileSet;
if (!m_tileSet)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Out of memory 'tileSet'.");
return false;
}
vcopy(m_tileSet->bmin, m_cfg.bmin);
vcopy(m_tileSet->bmax, m_cfg.bmax);
m_tileSet->cs = m_cfg.cs;
m_tileSet->ch = m_cfg.ch;
m_tileSet->width = (m_cfg.width + m_cfg.tileSize-1) / m_cfg.tileSize;
m_tileSet->height = (m_cfg.height + m_cfg.tileSize-1) / m_cfg.tileSize;
m_tileSet->tiles = new Tile[m_tileSet->height * m_tileSet->width];
if (!m_tileSet->tiles)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Out of memory 'tileSet->tiles' (%d).", m_tileSet->height * m_tileSet->width);
return false;
}
// Build chunky trimesh for local polygon queries.
rcTimeVal chunkyStartTime = rcGetPerformanceTimer();
m_chunkyMesh = new rcChunkyTriMesh;
if (!m_chunkyMesh)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Out of memory 'm_chunkyMesh'.");
return false;
}
if (!rcCreateChunkyTriMesh(m_verts, m_tris, m_ntris, 256, m_chunkyMesh))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Could not build chunky mesh.");
return false;
}
rcTimeVal chunkyEndTime = rcGetPerformanceTimer();
if (rcGetLog())
{
rcGetLog()->log(RC_LOG_PROGRESS, "Building navigation:");
rcGetLog()->log(RC_LOG_PROGRESS, " - %d x %d cells", m_cfg.width, m_cfg.height);
rcGetLog()->log(RC_LOG_PROGRESS, " - %d x %d tiles", m_tileSet->width, m_tileSet->height);
rcGetLog()->log(RC_LOG_PROGRESS, " - %.1f verts, %.1f tris", m_nverts/1000.0f, m_ntris/1000.0f);
}
// Initialize per tile config.
rcConfig tileCfg;
memcpy(&tileCfg, &m_cfg, sizeof(rcConfig));
tileCfg.width = m_cfg.tileSize + m_cfg.borderSize*2;
tileCfg.height = m_cfg.tileSize + m_cfg.borderSize*2;
// Allocate array that can hold triangle flags for all geom chunks.
unsigned char* triangleFlags = new unsigned char[m_chunkyMesh->maxTrisPerChunk];
if (!triangleFlags)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Out of memory 'triangleFlags' (%d).", m_chunkyMesh->maxTrisPerChunk);
return false;
}
rcHeightfield* solid = 0;
rcCompactHeightfield* chf = 0;
rcContourSet* cset = 0;
for (int y = 0; y < m_tileSet->height; ++y)
{
for (int x = 0; x < m_tileSet->width; ++x)
{
rcTimeVal startTime = rcGetPerformanceTimer();
Tile& tile = m_tileSet->tiles[x + y*m_tileSet->width];
// Calculate the per tile bounding box.
tileCfg.bmin[0] = m_cfg.bmin[0] + (x*m_cfg.tileSize - m_cfg.borderSize)*m_cfg.cs;
tileCfg.bmin[2] = m_cfg.bmin[2] + (y*m_cfg.tileSize - m_cfg.borderSize)*m_cfg.cs;
tileCfg.bmax[0] = m_cfg.bmin[0] + ((x+1)*m_cfg.tileSize + m_cfg.borderSize)*m_cfg.cs;
tileCfg.bmax[2] = m_cfg.bmin[2] + ((y+1)*m_cfg.tileSize + m_cfg.borderSize)*m_cfg.cs;
delete solid;
delete chf;
solid = 0;
chf = 0;
float tbmin[2], tbmax[2];
tbmin[0] = tileCfg.bmin[0];
tbmin[1] = tileCfg.bmin[2];
tbmax[0] = tileCfg.bmax[0];
tbmax[1] = tileCfg.bmax[2];
int cid[256];// TODO: Make grow when returning too many items.
const int ncid = rcGetChunksInRect(m_chunkyMesh, tbmin, tbmax, cid, 256);
if (!ncid)
continue;
solid = new rcHeightfield;
if (!solid)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Out of memory 'solid'.", x, y);
continue;
}
if (!rcCreateHeightfield(*solid, tileCfg.width, tileCfg.height, tileCfg.bmin, tileCfg.bmax, tileCfg.cs, tileCfg.ch))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Could not create solid heightfield.", x, y);
continue;
}
for (int i = 0; i < ncid; ++i)
{
const rcChunkyTriMeshNode& node = m_chunkyMesh->nodes[cid[i]];
const int* tris = &m_chunkyMesh->tris[node.i*3];
const int ntris = node.n;
memset(triangleFlags, 0, ntris*sizeof(unsigned char));
rcMarkWalkableTriangles(tileCfg.walkableSlopeAngle,
m_verts, m_nverts, tris, ntris, triangleFlags);
rcRasterizeTriangles(m_verts, m_nverts, tris, triangleFlags, ntris, *solid);
}
rcFilterLedgeSpans(tileCfg.walkableHeight, tileCfg.walkableClimb, *solid);
rcFilterWalkableLowHeightSpans(tileCfg.walkableHeight, *solid);
chf = new rcCompactHeightfield;
if (!chf)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Out of memory 'chf'.", x, y);
continue;
}
if (!rcBuildCompactHeightfield(tileCfg.walkableHeight, tileCfg.walkableClimb,
RC_WALKABLE, *solid, *chf))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Could not build compact data.", x, y);
continue;
}
if (!rcBuildDistanceField(*chf))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Could not build distance fields.", x, y);
continue;
}
if (!rcBuildRegions(*chf, tileCfg.walkableRadius, tileCfg.borderSize, tileCfg.minRegionSize, tileCfg.mergeRegionSize))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Could not build regions.", x, y);
continue;
}
cset = new rcContourSet;
if (!cset)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Out of memory 'cset'.", x, y);
continue;
}
if (!rcBuildContours(*chf, tileCfg.maxSimplificationError, tileCfg.maxEdgeLen, *cset))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Could not create contours.", x, y);
continue;
}
if (m_keepInterResults)
{
tile.solid = solid;
solid = 0;
tile.chf = chf;
chf = 0;
}
if (!cset->nconts)
{
delete cset;
cset = 0;
continue;
}
tile.cset = cset;
// Offset the vertices in the cset.
rcTranslateContours(tile.cset, x*tileCfg.tileSize - tileCfg.borderSize, 0, y*tileCfg.tileSize - tileCfg.borderSize);
rcTimeVal endTime = rcGetPerformanceTimer();
tile.buildTime += rcGetDeltaTimeUsec(startTime, endTime);
}
}
delete [] triangleFlags;
delete solid;
delete chf;
// Some extra code to measure some per tile statistics,
// such as build time and how many polygons there are per tile.
if (m_measurePerTileTimings)
{
for (int y = 0; y < m_tileSet->height; ++y)
{
for (int x = 0; x < m_tileSet->width; ++x)
{
Tile& tile = m_tileSet->tiles[x + y*m_tileSet->width];
if (!tile.cset)
continue;
rcTimeVal startTime = rcGetPerformanceTimer();
rcPolyMesh* polyMesh = new rcPolyMesh;
if (!polyMesh)
continue;
if (rcBuildPolyMesh(*tile.cset, m_cfg.bmin, m_cfg.bmax,
m_cfg.cs, m_cfg.ch, m_cfg.maxVertsPerPoly, *polyMesh))
{
int bucket = polyMesh->npolys;
if (bucket < 0) bucket = 0;
if (bucket >= MAX_STAT_BUCKETS) bucket = MAX_STAT_BUCKETS-1;
m_statPolysPerTile[bucket]++;
m_statPolysPerTileSamples++;
}
delete polyMesh;
rcTimeVal endTime = rcGetPerformanceTimer();
int time = tile.buildTime += rcGetDeltaTimeUsec(startTime, endTime);
int bucket = (time+500)/1000;
if (bucket < 0) bucket = 0;
if (bucket >= MAX_STAT_BUCKETS) bucket = MAX_STAT_BUCKETS-1;
m_statTimePerTile[bucket]++;
m_statTimePerTileSamples++;
}
}
}
// Make sure that the vertices along the tile edges match,
// so that they can be later properly stitched together.
for (int y = 0; y < m_tileSet->height; ++y)
{
for (int x = 0; x < m_tileSet->width; ++x)
{
rcTimeVal startTime = rcGetPerformanceTimer();
if ((x+1) < m_tileSet->width)
{
if (!rcFixupAdjacentContours(m_tileSet->tiles[x + y*m_tileSet->width].cset,
m_tileSet->tiles[x+1 + y*m_tileSet->width].cset,
m_cfg.walkableClimb, (x+1)*m_cfg.tileSize, -1))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Could not fixup x+1.", x, y);
return false;
}
}
if ((y+1) < m_tileSet->height)
{
if (!rcFixupAdjacentContours(m_tileSet->tiles[x + y*m_tileSet->width].cset,
m_tileSet->tiles[x + (y+1)*m_tileSet->width].cset,
m_cfg.walkableClimb, -1, (y+1)*m_cfg.tileSize))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: [%d,%d] Could not fixup y+1.", x, y);
return false;
}
}
rcTimeVal endTime = rcGetPerformanceTimer();
m_tileSet->tiles[x+y*m_tileSet->width].buildTime += rcGetDeltaTimeUsec(startTime, endTime);
}
}
// Combine contours.
rcContourSet combSet;
combSet.nconts = 0;
for (int y = 0; y < m_tileSet->height; ++y)
{
for (int x = 0; x < m_tileSet->width; ++x)
{
Tile& tile = m_tileSet->tiles[x + y*m_tileSet->width];
if (!tile.cset) continue;
combSet.nconts += tile.cset->nconts;
}
}
combSet.conts = new rcContour[combSet.nconts];
if (!combSet.conts)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Out of memory 'combSet.conts' (%d).", combSet.nconts);
return false;
}
int n = 0;
for (int y = 0; y < m_tileSet->height; ++y)
{
for (int x = 0; x < m_tileSet->width; ++x)
{
Tile& tile = m_tileSet->tiles[x + y*m_tileSet->width];
if (!tile.cset) continue;
for (int i = 0; i < tile.cset->nconts; ++i)
{
combSet.conts[n].verts = tile.cset->conts[i].verts;
combSet.conts[n].nverts = tile.cset->conts[i].nverts;
combSet.conts[n].reg = tile.cset->conts[i].reg;
n++;
}
}
}
m_polyMesh = new rcPolyMesh;
if (!m_polyMesh)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'polyMesh'.");
return false;
}
bool polyRes = rcBuildPolyMesh(combSet, m_cfg.bmin, m_cfg.bmax, m_cfg.cs, m_cfg.ch, m_cfg.maxVertsPerPoly, *m_polyMesh);
// Remove vertex binding to avoid double deletion.
for (int i = 0; i < combSet.nconts; ++i)
{
combSet.conts[i].verts = 0;
combSet.conts[i].nverts = 0;
}
if (!polyRes)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Could not triangulate contours.");
return false;
}
if (!m_keepInterResults)
{
for (int y = 0; y < m_tileSet->height; ++y)
{
for (int x = 0; x < m_tileSet->width; ++x)
{
Tile& tile = m_tileSet->tiles[x + y*m_tileSet->width];
delete tile.cset;
tile.cset = 0;
}
}
}
if (m_cfg.maxVertsPerPoly <= DT_STAT_VERTS_PER_POLYGON)
{
unsigned char* navData = 0;
int navDataSize = 0;
if (!dtCreateNavMeshData(m_polyMesh->verts, m_polyMesh->nverts,
m_polyMesh->polys, m_polyMesh->npolys, m_polyMesh->nvp,
m_cfg.bmin, m_cfg.bmax, m_cfg.cs, m_cfg.ch, &navData, &navDataSize))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "Could not build Detour navmesh.");
return false;
}
m_navMesh = new dtStatNavMesh;
if (!m_navMesh)
{
delete [] navData;
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "Could not create Detour navmesh");
return false;
}
if (!m_navMesh->init(navData, navDataSize, true))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "Could not init Detour navmesh");
return false;
}
}
rcTimeVal totEndTime = rcGetPerformanceTimer();
if (rcGetLog())
{
const float pc = 100.0f / rcGetDeltaTimeUsec(totStartTime, totEndTime);
rcGetLog()->log(RC_LOG_PROGRESS, "Chunky Mesh: %.1fms (%.1f%%)", rcGetDeltaTimeUsec(chunkyStartTime, chunkyEndTime)/1000.0f, rcGetDeltaTimeUsec(chunkyStartTime, chunkyEndTime)*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Rasterize: %.1fms (%.1f%%)", m_buildTimes.rasterizeTriangles/1000.0f, m_buildTimes.rasterizeTriangles*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Build Compact: %.1fms (%.1f%%)", m_buildTimes.buildCompact/1000.0f, m_buildTimes.buildCompact*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Filter Border: %.1fms (%.1f%%)", m_buildTimes.filterBorder/1000.0f, m_buildTimes.filterBorder*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Filter Walkable: %.1fms (%.1f%%)", m_buildTimes.filterWalkable/1000.0f, m_buildTimes.filterWalkable*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Filter Reachable: %.1fms (%.1f%%)", m_buildTimes.filterMarkReachable/1000.0f, m_buildTimes.filterMarkReachable*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Build Distancefield: %.1fms (%.1f%%)", m_buildTimes.buildDistanceField/1000.0f, m_buildTimes.buildDistanceField*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - distance: %.1fms (%.1f%%)", m_buildTimes.buildDistanceFieldDist/1000.0f, m_buildTimes.buildDistanceFieldDist*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - blur: %.1fms (%.1f%%)", m_buildTimes.buildDistanceFieldBlur/1000.0f, m_buildTimes.buildDistanceFieldBlur*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Build Regions: %.1fms (%.1f%%)", m_buildTimes.buildRegions/1000.0f, m_buildTimes.buildRegions*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - watershed: %.1fms (%.1f%%)", m_buildTimes.buildRegionsReg/1000.0f, m_buildTimes.buildRegionsReg*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - expand: %.1fms (%.1f%%)", m_buildTimes.buildRegionsExp/1000.0f, m_buildTimes.buildRegionsExp*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - find catchment basins: %.1fms (%.1f%%)", m_buildTimes.buildRegionsFlood/1000.0f, m_buildTimes.buildRegionsFlood*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - filter: %.1fms (%.1f%%)", m_buildTimes.buildRegionsFilter/1000.0f, m_buildTimes.buildRegionsFilter*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Build Contours: %.1fms (%.1f%%)", m_buildTimes.buildContours/1000.0f, m_buildTimes.buildContours*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - trace: %.1fms (%.1f%%)", m_buildTimes.buildContoursTrace/1000.0f, m_buildTimes.buildContoursTrace*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - simplify: %.1fms (%.1f%%)", m_buildTimes.buildContoursSimplify/1000.0f, m_buildTimes.buildContoursSimplify*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Fixup contours: %.1fms (%.1f%%)", m_buildTimes.fixupContours/1000.0f, m_buildTimes.fixupContours*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Build Polymesh: %.1fms (%.1f%%)", m_buildTimes.buildPolymesh/1000.0f, m_buildTimes.buildPolymesh*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Polymesh: Verts:%d Polys:%d", m_polyMesh->nverts, m_polyMesh->npolys);
rcGetLog()->log(RC_LOG_PROGRESS, "TOTAL: %.1fms", rcGetDeltaTimeUsec(totStartTime, totEndTime)/1000.0f);
}
toolRecalc();
return true;
}
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